2
QuizMultiple Choice

Nomenclature of Covalent Compounds — Quiz

Question 2 • Chemistry

Which is the IUPAC name for NO ?

Answer
A
binitrogen oxide
B
nitrogen monoxide
C
dinitrogen dioxide
D
nitric oxide

Explanation

NO contains one nitrogen atom and one oxygen atom. For a binary molecular compound, the second element takes the -ide ending, and the prefix mono- indicates one oxygen, giving nitrogen monoxide; the prefix is usually omitted before the first element. “Nitric oxide” is a common name, not the systematic IUPAC name asked for here.

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